<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>赛博登录</title>
    <style>
        @import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;700&display=swap');
        
        body {
            margin: 0;
            height: 100vh;
            background: #0f0c29;
            background: linear-gradient(to right, #0f0c29, #302b63, #24243e);
            font-family: 'Rajdhani', sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }
        
        .cyber-container {
            position: relative;
            width: 380px;
            padding: 40px;
            background: rgba(15, 12, 41, 0.7);
            border-radius: 5px;
            box-shadow: 0 0 30px rgba(255, 0, 255, 0.3);
            z-index: 1;
            overflow: hidden;
        }
        
        .cyber-container::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                to bottom right,
                transparent, transparent, transparent,
                #0ff, transparent, transparent
            );
            transform: rotate(30deg);
            z-index: -1;
            animation: scan 6s linear infinite;
        }
        
        @keyframes scan {
            0% { top: -50%; left: -50%; }
            100% { top: 150%; left: 150%; }
        }
        
        h2 {
            color: #0ff;
            text-align: center;
            margin-bottom: 30px;
            font-size: 32px;
            text-transform: uppercase;
            letter-spacing: 3px;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.7);
        }
        
        .input-box {
            position: relative;
            margin-bottom: 30px;
        }
        
        input {
            width: 100%;
            padding: 15px 10px 10px;
            background: transparent;
            border: none;
            border-bottom: 2px solid #f0f;
            color: #0ff;
            font-size: 16px;
            font-family: 'Rajdhani', sans-serif;
            letter-spacing: 1px;
        }
        
        input:focus {
            outline: none;
            border-bottom-color: #0ff;
        }
        
        .cyber-label {
            position: absolute;
            left: 10px;
            top: 15px;
            color: #f0f;
            pointer-events: none;
            transition: all 0.3s;
            text-transform: uppercase;
            font-weight: bold;
            letter-spacing: 1px;
        }
        
        input:focus ~ .cyber-label,
        input:valid ~ .cyber-label {
            top: -15px;
            left: 0;
            font-size: 12px;
            color: #0ff;
        }
        
        .glow-btn {
            width: 100%;
            padding: 15px;
            background: transparent;
            border: 2px solid #0ff;
            color: #0ff;
            font-size: 16px;
            font-family: 'Rajdhani', sans-serif;
            text-transform: uppercase;
            letter-spacing: 2px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
        }
        
        .glow-btn:hover {
            color: #0f0c29;
            background: #0ff;
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.7);
        }
        
        .grid-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                linear-gradient(rgba(255, 0, 255, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 0, 255, 0.1) 1px, transparent 1px);
            background-size: 20px 20px;
            pointer-events: none;
            z-index: -1;
        }
    </style>
</head>
<body>
    <div class="cyber-container">
        <div class="grid-overlay"></div>
        <h2>系统接入点</h2>
        <div class="input-box">
            <input type="text" id="cyber-user" required>
            <span class="cyber-label">用户标识符</span>
        </div>
        <div class="input-box">
            <input type="password" id="cyber-pass" required>
            <span class="cyber-label">神经密钥</span>
        </div>
        <button class="glow-btn">验证身份</button>
    </div>
</body>
</html>